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71 lines
2.1 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "Configured.hxx"
#include "DatabaseGlue.hxx"
#include "Interface.hxx"
#include "config/Data.hxx"
#include "config/Domain.hxx"
#include "config/Param.hxx"
#include "config/Block.hxx"
#include "fs/AllocatedPath.hxx"
#include "fs/FileSystem.hxx"
#include "fs/glue/StandardDirectory.hxx"
#include "lib/fmt/RuntimeError.hxx"
#include "Log.hxx"
DatabasePtr
CreateConfiguredDatabase(const ConfigData &config,
EventLoop &main_event_loop, EventLoop &io_event_loop,
DatabaseListener &listener)
{
const auto *param = config.GetBlock(ConfigBlockOption::DATABASE);
const auto *path = config.GetParam(ConfigOption::DB_FILE);
if (param != nullptr && path != nullptr)
throw FmtRuntimeError("Found both 'database' (line {}) and 'db_file' (line }) setting",
param->line, path->line);
if (param != nullptr) {
param->SetUsed();
return DatabaseGlobalInit(main_event_loop, io_event_loop,
listener, *param);
} else if (path != nullptr) {
ConfigBlock block(path->line);
block.AddBlockParam("path", path->value, path->line);
return DatabaseGlobalInit(main_event_loop, io_event_loop,
listener, block);
} else {
/* if there is no override, use the cache directory */
const AllocatedPath cache_dir = GetAppCacheDir();
if (cache_dir.IsNull()) {
FmtDebug(config_domain, "No cache directory; disabling the database");
return nullptr;
}
const auto db_file = cache_dir / Path::FromFS(PATH_LITERAL("db"));
auto db_file_utf8 = db_file.ToUTF8();
if (db_file_utf8.empty())
return nullptr;
ConfigBlock block;
block.AddBlockParam("path", std::move(db_file_utf8), -1);
{
const auto mounts_dir = cache_dir
/ Path::FromFS(PATH_LITERAL("mounts"));
CreateDirectoryNoThrow(mounts_dir);
if (auto mounts_dir_utf8 = mounts_dir.ToUTF8();
!mounts_dir_utf8.empty())
block.AddBlockParam("cache_directory",
std::move(mounts_dir_utf8),
-1);
}
return DatabaseGlobalInit(main_event_loop, io_event_loop,
listener, block);
}
}